The Symposium on Thermal Insulations in the Petrochemical Industry was held on 12 March 1974 in Tulsa, Okla. It was sponsored by the American Society for Testing and Materials' (ASTM) Committee C-16 on Thermal and Cryogenic Insulating Materials in cooperation with the American Institute of Chemical Engineers (AIChE) and was presented during a meeting of AIChE. F.A. Govan, York Research Corp., presided as the symposium chairman, and J.S. Kummins, Dow Corning Corp., served as the cochairman.